115855043 has 4 divisors (see below), whose sum is σ = 117754368. Its totient is φ = 113955720.

The previous prime is 115855037. The next prime is 115855063. The reversal of 115855043 is 340558511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115855043 - 2¹² = 115850947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115855063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949571 + ... + 949692.

It is an arithmetic number, because the mean of its divisors is an integer number (29438592).

Almost surely, 2^115855043 is an apocalyptic number.

115855043 is a deficient number, since it is larger than the sum of its proper divisors (1899325).

115855043 is an equidigital number, since it uses as much as digits as its factorization.

115855043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899324.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 115855043 is about 10763.5980508378. The cubic root of 115855043 is about 487.4966634003.

The spelling of 115855043 in words is "one hundred fifteen million, eight hundred fifty-five thousand, forty-three".